He was even criticized by fellow libertarians who called what he has been doing with the central bank and government bonds a Ponzi scheme: https://forklog.com/en/economist-predicts-argentinas-financial-collapse-advocates-bitcoin-adoption/

Obviously this is coming from a completely wormbrained Austrian school libertarian who is pushing the bitcoin ponzi instead, but he isn't wrong about the carry trade scheme and the "bicicleta financiera" and how unsustainable this all is.